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group_secar2.0 [2018/09/13 16:27] plastun |
group_secar2.0 [2018/09/13 16:49] (current) plastun |
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====Understanding COSY Matrix output==== | ====Understanding COSY Matrix output==== | ||
- | Command: OV 1 1 0 ; {order 1, phase space dim 1 INCLUDING ENERGY, # of parameters 0}\\ | + | Command: |
+ | < | ||
Output:\\ | Output:\\ | ||
|1.0|0.0|0.0|0.0|-0.41| | |1.0|0.0|0.0|0.0|-0.41| | ||
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With the spot size on the target, designed to be ±0.5 mm (1σ), the anglular spread then is ±15 mrad.\\ | With the spot size on the target, designed to be ±0.5 mm (1σ), the anglular spread then is ±15 mrad.\\ | ||
Adding the calculated spread from the reaction with the target of 0.13 deg = ±2.26 mrad we get ±17.26 mrad of angular spread.\\ | Adding the calculated spread from the reaction with the target of 0.13 deg = ±2.26 mrad we get ±17.26 mrad of angular spread.\\ | ||
- | ⇒COSY beam input: SB 0.0005 **0.01726** 0 0.0005 **0.01726** 0 0 0.0047 0 0 0 ;\\ | + | ⇒COSY beam input: |
+ | < | ||
Output for this beam passing the dipole: | Output for this beam passing the dipole: | ||
{{ : | {{ : | ||
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|Beam|transverse|-5..+7 mm| | |Beam|transverse|-5..+7 mm| | ||
|Beam|longitudinal|-0.8..+0.5 mm| | |Beam|longitudinal|-0.8..+0.5 mm| | ||
- | |Beam|size|-x..+x| | + | |Beam|size|-6%..+6%| |
|B4|transverse|-4..+1 mm| | |B4|transverse|-4..+1 mm| | ||
|B4|longitudinal|-10..+55 mm| | |B4|longitudinal|-10..+55 mm| | ||
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</ | </ | ||
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- | One can see how Wien filter cleans the recoils from the projectile beam. | + | One can see how Wien filter cleans the recoils from the projectile beam at FP2. |
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